Home / 6,427.30-9,642.36-2,732.69

Finding the Fourth Proportional to 6,427.30, 9,642.36 and 2,732.69

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Solution

The fourth proportional to 6,427.30, 9,642.36 and 2,732.69 is: 4,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.30 : 9,642.36 = 2,732.69 : x
  2. Step 2: Convert to fraction form
    6,427.30/9,642.36 = 2,732.69/x
  3. Step 3: Cross multiply
    6,427.30x = 9,642.36 × 2,732.69
  4. Step 4: Simplify right side
    6,427.30x = 26,349,580.75
  5. Step 5: Solve for x
    x = 26,349,580.75/6,427.30
  6. Step 6: Final answer
    x = 4,099.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.